Found the problem.
I think my browser just updated yesterday. Now running IE 11.0.9xxxx
Before, my browser had what looks like a sheet of paper torn in half, Compatibility setting; next to the refresh icon in the address bar. That is gone now.

I added mastercraft.com to a Compatibility View settings under Options and the drop downs returned.
Odd my other forums and other sites still have their drop downs but are not in the list.
Oh well, probably has to do with the forum software. Back in business now.